Winder machine



Oct. 6, 1953 HoRNBosTEL WINDER MACHINE 3 Sheets-Shea*v l Filed Jne 26,1951 KC) 2 ZUZ/EHUFM joya? lozzbosgz Oct. 6, 1953 HoRNBosTEL WINDERMACHINE 3 Sheets-Sheet 2 Fledlune 26, 1951 UVEUL Uw Z Hozazzbo'ej GFL 55Z L. HORNBOSTEL WINDER MACHINE oct. 6,l 1953 5 Sheets-Shee'v 3 FiledJune 26, 1951 Zw y Patented Oct. 6, 1953 WINDER MACHINE LloydHornbostel, Beloit, Wis., assigner to Beloit Iron Works, Beloit, Wis., acorporation of Wisconsin Application .I une 26, 1951, Serial No. 233,657

9 Claims.

This invention relates to a machine for winding web material, such aspaper, to produce a roll of the desired hardness irrespective of thcWeight of the roll.

Specifically, the invention deals with a drum Winder adapted to producevery soft rolls of paper, Such as creped tissue paper, Without beinginfluenced by the Weight of the roll being wound.

Drum Winders characteristically produce Wound1 rolls of web materialwhich increase in hardness as the Weight of the roll increases. Priorattempts to counterbalance the weight of the roll being Wound have notbeen successful, because the roll lifting force must be applied to theprojecting end portions of the shaft on which the roll is being Woundand, since this shaft must be of relatively small diameter in comparisonwith its length, deection of the shaft and the roll has occurred. As aresult, the central portion of the roll was not benefited, and unevenWinding was obtained.

According to this invention, however, a drum Winder is equipped Withfluid pressure operated jacks acting on the ends of the Winder shaft torelieve some of the load of the roll being wound from the Winder drums,and deection of the shaft is so controlled that the roll being woundWill have equal pressure contact with the Winder drums along its entirelength. To accomplish this result, the Winder shaft need not beincreased in diameter over heretofore used shafts, or made heavier thanthe prior used shafts. Actually, the Winder shaft arrangement used inthe man chine of the present invention can be made holloW and lighter inWeight than heretofore used shafts of similar length. The Winder shaftassembly, in accordance With this invention, in cludes a through shaftor axle carrying a shell in spaced concentric relation therearound andsupported thereon only through deflectable carriers between the shaftand shell and positioned at localized points inwardly from the ends ofthe shell and, outwardly from the axial center of the shaft. A preferredlocation for the supporting means between the shaft and shell isinwardly from the ends of the shell a distance of approximatelyone-iifth of the total shell length. Only two localized support areasare used and they, of course, will then be separated a distanceequivalent to three-fifths of the shell length. The shell is therebysupported so that the deflection at the ends of the shell will be equalto the deflection of the shell at a point midWay between the supportingends of the shaft. The anti-deiiection shaft arrangement obviates anynecessity for crowning against deflection, and, since crowning is highlyobjectionable in Winder shafts because a crowned shaft cannot be pulledout of a roll without damaging the roll, it is clear that theanti-deflectirn assembly lls a long felt want.

It is, then, an obiect of this invention to provide a drum Winder with acounterbalanced winder shaft that Will maintain equal pressure betweenthe roll being Wound and the winding mechanism throughout the entirelength of the roll.

A further object of the invention is to provide a drum Winder adapted toproduce a very soft roll of uniform softness throughout its entirelength.

Another object of the invention is to provide an under drum type paperWinder with fluid pressure actuated jacks relieving the Weight of theroll being Wound on the under drum by acting on the Winder shaft Withoutin any way deflecting the roll along its length.

A specific object of the invention is Ato provide a twin under drumpaper Winder With Winder shaft lifting jacks to relieve the load of theroll being wound on the Winder drums by lifting the ends of a Windershaft which Will not deflect to permit uneven loading of the roll beingwound on the Winder drums.

Another and specific object of the invention is to provide a twin drumpaper Winder With an air cylinder counterbalance and a chain safety liftacting on the ends of a Winder shaft to relieve the load of the rollbeing Wound on the Winder drums Without deflecting the roll along itslength.

yOther and further objects of this invention will be apparent to thoseskilled in the art from the following detailed description of theannexed sheets of drawings which, by way of a preferred embodiment only,illustrate one Winder machine according to this invention.

vOn the drawings:

Figure 1 is a broken front elevational view, with parts in verticalcross section, of a Winder machine according to this invention.

Fig. 2 is an end elevational vieW of the machine of Figure 1.

Figure 3 is a broken vertical crossesectional view, with parts inelevation, of an anti-deflection Winder shaft used on the machine ofFigures 1 and 2.

Figure 4 is a View similar to Figure 3 on an enlarged scale and withparts omitted and With other parts in elevation, illustrating thepositions of the parts When the shaft is unloaded.

Figure 5 is a view similar to Figure 4 but illus- 3 trating thepositions of the parts when the shaft :is heavily loaded.

Figure is an enlarged transverse cross-sectional view taken along theline VI-VI of Figure 3.

As shown on the drawings:

As shown in Figures 1 and 2, the Winder machine It of this inventionincludes side frames il, Ii carrying bearing supports for rotatablymounting a pair of spaced horizontally aligned Winder drums I2 coactingto define a Winder nip I3 therebetween. Upstanding end frame portionsila., ila carry vertical tracks I4, I4 in Which are slidably mountedcarriages I5, I5 each having a split bearing clamp I5 at the lower endthereof projecting into alignment With the Winder nip I3 beyond the endsof the Winder drums I2. The carriages i5 have bosses I5a on the rearfaces thereof slidably receiving mounting pins I'I.

The pin has heads I'Ia at the opposite ends thereof and compressionsprings I8 are disposed around the pin between these heads and theadjacent ends of the boss I5a. Each head IIa is pivotally connected atits outer end With the end of a sprocket chain I il that is trainedaround a bottom sprocket 2l! rotatably mounted on the frame portion IIaand a top sprocket 2l secured on a cross shaft 22 Which is rotatablymounted on the end frame portions IIa. The shaft 22 is rotated by meansof a sprocket 23 on one end thereof driven by a chain 24 Which, in turn,is actuated from a sprocket 25 on a hand Wheelonerated shaft 25 carriedbv the end frame. The shaft 25 carries a ratchet 21 engaged by a paWl25. The naWl 23 can be disengaged from the ratchet bv raising a lever29. The lever 29 is conveniently actuated hv the end of a rod 3l! whichis raised and lowered from a foot pedal 3 I. pivoted on the bottom ofthe frame. The hand Wheelaetuated shaft 25 is operative to rotate thecross shaft 22 in a direction for causing the sprocket 2! to drive thechains I9 for raising the carriages i5 in their tracks. 'The paWl 28 iseffective to hold the shaft 22 against rotation in the oppositedirection but can be released from the ratchet .so ,as to permit thisopposite rotation. The springs 551 serve to form resilient supports forthe carriages SF on, tbe sprocket chains I9. The bearing @lomos lacarried bv the carriages therefore have shriner mountings on the liftingchains.

The frames II also narrv vertical jack cylinfie-.nq 32 with pistons 23slidable therein and actuating piston rode, 34 which nroiect out of theonen tons thorn-of, The nner ends of the piston rods are pivotallyconnected to the bearing clamps i5 on the carriages I5. Fluid such asair under pressure is admitted into the bottom ends of the jack@vlinders 32 through pines 35 fed from a single source 35 so thatpressure in each iack Will be eoual. ylhe .dui d forces the pistons 33upwardly in the cylinders to raise the piston rods 34 and thereby raisethe bearing` clamps l5.

A nacer Web W is fed to the nip I3 around the under side of one of theWinder drums I2. As shown in Figure 2, the Web W is directed into theWinder machine I il around the top side of a roll 3l and over anadjustable guide bar 38 Which laps the Web around the under side of thefirst Winder drum I2.

An ejector roll 39 for pushing a Wound paper roll out of the Winding nipI3 is carried on gear segments 4B at the ends of the rst under drum I2and is sWingable over the roll I2. Pinion gears 4I in engagement withthe arcuate gea? segments 40 are effective to swing the roll 39 throughthe nip i3 to eject the Wound roll.

The split bearing clamps I5 surround Winder shaft bearings 42 on theends of a Winder shaft 43. As best shown in Figure 3, the bearings 42have segmental spherical cap receiving portions 42a which are adapted totilt in the clamps to provide a self-aligning bearing connection. Thebearings 42 are freely rotatable about stub shafts 44 on anti-frictionbearings (not shown). These stub shafts 44 are anchored into the ends ofa tubular axle 45 by means of locking pins 45. The stub shafts projectinto the ends of the axle 45 for a relatively short distance only. Acylindrical shell 4l surrounds the tubular axle 45 in spaced concentricrelation and is mounted on the axle by a pair of rubber mountings 48each composed of a plurality of rubber rings of circular cross sectionin side by side relationship. Six rubber rings are illustrated asconstituting each mounting 4B.

As best shown in Figures 4 and 5, the axle 45 has reduced diameterportions 45a equivalent in Width to the length of the mountings 48 andaording end or abutment shoulders 45h for the end rings of eachmounting. These shoulders 45h are effective to hold the rings in side byside relationship.

Metal retainer rings 49 snugly i'lt inside of the shell 41 and arepositioned in the shell to abut the inner rubber ring of the mountings43. These retainer rings 49 are Welded in position to the shell 4l atthe time of making the assembly, so that the retainers Will abut themountings. As shown in Figure 4, spot Welds 50 in holes in the shell 41can be used to anchor the abutment rings 48 in place.

The shell has an end ring or collar 5I shrunk on one end thereof andalso anchored by pins 52. A spacer sleeve 53 is mounted on theshell inabutting relation to the inner end of the end ring 5i. .A second spacersleeve 53 is provided on the other end of the shaft and is abutted by anend collar 54 Which is internally threaded and rei ceives, in threadedrelation therein, a second end collar 55. A split locking collar orretainer ring 55 abuts the outer end of the collar 55 to define anabutment shoulder therefor and s seated in a groove 5l formed in theshell 41. The collar 55 has pivoted together sections on a pivot pin 58and is adapted to be readily swung open and moved out of the groove 51.When the collar 55 is locked in the groove 51, the end collar 55 can beadjusted in the collar 54 to adjustably space the second spacer sleeve53 from the first spacer sleeve 53 at the other end of the shell andthereby accurately control the dimension between the spacers 53 inaccordance With the Width of the Web W to be Wound on the roll. A

. cardboard Winder tube (not shown) receives the paper Web therearoundand is clamped on the shaft between the sleeves 53.

The bearing clamps IB are split so as to be ouickly engaged on thebearing portions 42a of the shaft bearings 42. Each bearing clamp I5includes a fixed loWer half portion Ia on 'the carriage I5 and asWingable top half portion I5b which is pivoted on a nin Ic carried bythe carriage I5. A keeper Id on the free end of the sWingable bearingportion IBb engages `a latch or locking dog 59 which is pivoted on a pin6I) carried by the lower half I5a of the clamp. A spring 10 urges thelatch against the keeper to lock the two halves Ia and IBb together. Anoperating handle 'II on the lower end of the latch,

5 however, is adapted .to `depress thespring for releasing the latch-Irem the kecperfiad. A handle 12 is provided on the swingable sectionIb to raise and lower the section for opening and closing the clamp.

In operation of the winder machine I0 of this invention, the paper W isfed under the first nnder drum l2 as explained above and is directedupwardly into the nip I3. A winder tube is clamped between the spacersleeves i3 as explained above. The Winder shaft 43 has the end bearings42 thereof ymounted in the bearing clamps I6 and the carriages l5 arelowered sui' ciently so `that the Winding tube on the shell 41 of thewinder shaft lwill rest in the nip I3 in en gagement with -both drumsI2. In order to lower the' Winder shaft, iluid in the cylinders 32 iseX- hausted and the foot pedal 3l is depressed to per mit the hand wheelto be swung in a direction for lowering the carriages 15. The leadingend of the paper web is then threaded around the winding tube. Theleading end of the paper is then clamped on the shell 41 and the drum-sare driven to rotate the shaft and tube so that a roll builds up on theshaft in contact with the yunder drums I2.

As the roll increases in diameter, the winder shaft raises in the nip I3and the weight of the roll increases, thereby increasing the pressurerelationship between the 'paper and the winder drums. In order torelieve the weight of the roll from the winder drums sc as to maintain adesired pressure relationship between the paper being wound and theWinder drums, air or other fluid under pressure is fed from `the supplypipe 3E through the Apipes 31 to the cylinders 32 under pistons 33 forcausing the piston rods 3d to raise the bearing clamps l5.

As the load Iof the roll being wound is transferred from the Winderdrums to the hiiuid pressure jacks, the tubular axle portion 4t of theanti-deflection Winder shaft 43 will deilect as diagrammatically shownin 'Figure 5. This deflection will be appreciable as the weight of theroll increases and as more arid more of the roll weight is borne by thejacks acting through the bearings at the ends of 'the shaft. However,the shell 4'1 on the shaft, being supported inwardly from the ends ofthe tubular axle 45, will only deilect in such a way as to prevent anyappreciable variation in pressure between the roll being wound and theWinder drums along the length of the roll.

Thus, as shown in 'Figure 5, the end portions A of the shell arecantilever supported from the supports d8 and tend to deflect downwardlyat their free ends under heavy load. The Central portion B oi the shell41 also tends to deflect downwardly under load, but this portion 'issurported at its ends by the supports 43 .and .is in the nature of an.end supported beam, the .downward deection ,of which opposes thedownward deflection of the cantilever ends or beams A. As a result,deilections at A and 'B tend to neutralize each other and `asubstantially straight cylindrical shape is maintained irrespective ofthe catenary-like deection of the supporting axle. The rubber ringsforming the supports 48 will defo-rm through interpa-rticle flow of 'therubber to permit relative deflection between the axle land shell without-galling any of the metal parts :by permitting Ine-tal to met-al contacttherebetween.

In order to substantially close vthe 4open ends of vthe shell 41, endplates or caps 13 -'('-Fi-gure 3) are provided on the Astub axles 44 inclosely spaced relation from the ends of the shell. These caps .cancarry deformable scalfrings 14 in opposed relation to the ends of theshell to prevent any metal to metal contact between the ,cans and shell.

The'iluid pressure admitted to the lifting cyl inders 32 can becontrolled .so as to cause the jacks to relieve any desired proportionof the weight of the Aroll being wound lfrom the `windet' drums so thata constant winding pressure is maintained to produce a uniformly woundroll. As the Winder shaft `rises `up from the nip I 3, the bearing-clampswill be lifted therewith and the carri-ages I5 will rise in theirtracks, causing the chains I9 to rotate the shaft 22 in acounterclockwise direction. vThis shaft, in turn, drives the chain 24 torotate the Aratchet 21 in a courirtervclcckwise direction. The Ipawl 28will not in terfere with counter-clockwise rotation of the ratchet andthe carriages I5 can therefore rise in their tracks. if desired,however, some spring compression can be maintained on the supportingsprings Ifor the 'carriages by operation of the hand wheel shaft 216.'In the event of fail-ure of pressure in the lifting jack-s, the pawlwill prevent the `carriages from dropping, so that the roll will besupported. It should be noted that the pawl 28 will prevent clockwiserotation of the shaft 22.

When the winding operation is completed, the bearing clamps I6 areopened up by releasing the latches 5 9 and the gear segments 40 areswung to move the discharge roller -3-9 over the rst Winder drum 12 andagainst the roll, thereby pushing the roll out of the nip I3 and out ofthe lower halves 18a of the 'bearing caps.

From the fabove descriptions it will therefore be understood that thisinvention lprovides a Winder machine which will relieve any desiredAportion of the weight of a roll being wound from the Winder drums andwill maintain a uniform weight distribution throughout thelength or theroll, irrespective of 'the Weight of the roll. The invention provides anovel anti-deflection. Winder shaft including a deflectable throughshaft or axle and a paper roll supporting shell .carried thereby atlocalized points so positioned as to neutralize deflection.

vIt will gbe understood that modifications .and variations may lbeeffected without departing from the scope of the novel .concepts of thepresentin'vention.

I claim as my invention:

l. A drum winder for web material comprising a pair -of under Winderdrums dening a winding nip, vertical tracks at the ends of one drum,carriages -sl-ida'ble in 'said tracks, bearing clamps carried by saidcarriages adjacent the ends Iof said nip, upper and lower sprockets atopposite ends of eac-h track, `a 'lifting chain tor each earriagetrained around the adjacent upper and lower sprockletsrmeans torselectively 'locking the :upner sprockets against vrotation in adirection permitting lowering of the carriages., a fluid pressure jackadjacent each Aend .of the nip, a ,piston rod nroiectins trom each jackacting hon :the :adjacent bearing clamp to raise and lower the `clampsrelative to the znip, a winder shaft having Ibearings on the endsthereof receivable .in said bearing .clamps a cylindrical shell.enveloping said shaft between the bearings, resiliently deformableAmeans connecting :the shell and .shaft :at localized areas inwardlyfrom the .ends ,of theshell and .outwardly from the central portion xofthes'hatt to -form the sole support for the shell, a nxed end colla-r onone end of the shell, a spacer sleeve on said shell abutting said endcollar, an internally threaded collar slidable on the other end of theshell, an externally threaded collar threaded into said internallythreaded collar, said shell having a peripheral groove near the endthereof carrying the threaded collar, a split retainer ring selectivelylocked in said groove for receiving the externally threaded collarthereagainst, whereby the internally threaded collar is adjustabletoward and away from the collar at the other end of the shaft, a secondspacer sleeve thrusting against said internally threaded collar, andsaid sleeves adapted to clamp therebetween a Winder tube for a roll ofpaper, whereby a web wound on said shaft can have selected pressureengagement with said Winder drums along its entire width by partiallysupporting the weight of the roll and shaft on said jacks.

2. A Winder machine adapted for producing a Wound roll of a controlleduniform degree of hardness irrespective of the weight thereof whichcomprises a pair of under Winder drums delining a Winding nip, verticaltracks on said machine adjacent the ends of the Winder drums, splitbearing clamps slidably supported in said tracks, fluid pressureoperated jacksV engaging said clamps for raising and lowering the clampsin the tracks, a Winder shaft extending along the length of said Windingnip and having end portions projecting through the bearing clamps, ashell enveloping said shaft along the length thereof lying within saidnip, and resilient deilectable means inwardly from the ends of the shelland outwardly from the central portion of the axle, whereby a roll woundon said shell will not deflect in response to deflection of the shaftupon carrying the load of the roll on the shaft from said jacks.

3. A Winder machine adapted for producing a Wound roll of a controlleduniform degree of hardness irrespective of the weight thereof, whichcomprises a pair of under Winder drums defining a winding nip, uprighttracks on said machine in parallel alignment and adjacent the ends ofthe Winder drums, bearing means slidably supported in said tracks, uidpressure actuated means engaging said bearing means for raising andlowering the bearing means in the tracks,

a Winder shaft extending along the length of said I Winding nip andhaving end portions rotatably supported in said bearing means, a shellenveloping said shaft between the supported ends thereof and receivingthe Wound roll of paper therearound, and deformable means supporting theshell in spaced concentric relation from the shaft at two localizedpoints inwardly from the ends of the shell and forming the soleconnections between the shell and shaft, whereby den flection of theshaft will be neutralized to mainu tain a substantial constantdistribution of the load on the Winder drum throughout the entire lengthof the roll.

A Winder machine of the under drum type comprising a pair of underWinder drums defining a winding nip, vertical tracks on said machineadjacent the ends of the Winder drums, bearing supports slide-blymounted in tracks, fluid pressure actuated means engaging said supportsfor raising and` lowering the supports in the tracks, a Winder shaftextending along the length of said Winding nip and having end portionsrotatably mounted in said supports, a shell enveloping the Winder shaftbetween the supports, and flexible supporting means between the shaftand shellholding the shell in spaced Vconcentric relation around theshaft and accommodating relative deflection of the shell and shaft, saidsupporting means being localized at two spaced areas each inwardly fromthe end of the shell and outwardly from the axial center of the shaft.

5. A Winder machine adapted for producing a wound roll of a controlleduniform degree of hardness irrespective of the weight thereof, whichcomprises a pair of under Winder drums dening a Winding nip, uprightparallel tracks on said machine adjacent the ends of the Winder drums, aWinder shaft extending along the length of said Winding nip, bearingsrotatably mounted on the end portions of the shaft and slidablyretained` in said tracks, fluid pressure actuated means engaging saidbearings for raising and lowering the bearings in the tracks, acylindrical shell on the shaft between the bearings, flexible supportingmeans connecting the shaft and shell, said means being disposed at twolocalized areas each inwardly from the ends of the shell and outwardlyfrom the central portion of the shaft, and means for retaining saidmeans in said areas, whereby deflection of the shaft between thebearings will not be imparted to the shell and the deflection of theshell under load will be neutralized between the portions of the shellbeyond the supporting connecting means and the portion of the shellbetween the supporting connecting means.

6. A Winder machine adapted for producing a Wound roll of a controlleduniform degree of hardness irrespective of the weight thereof, whichcomprises a pair of under Winder drums defining a Winding nip, verticaltracks on said machine adjacent the ends of the Winder drums, a tubularWinder shaft extending along the length of said Winding nip, stub shaftsanchored in the ends ,l of said tubular shaft and extending therefrom,

bearings rotatably mounted on said stub shafts and having self-aligningarcuate portions, said bearings being slidably retained in sai-d tracks,fluid pressure actuated means engaging said bearings for raising andlowering the bearings in the tracks, a shell enveloping the tubularshaft between the bearings, and resiliently deformable means supportingthe shell in spaced concentric relation from the tubular shaft, saidmeans in cluding a pair of supports each spaced inwardly from the endsof the shell and outwardly from the axial central portion of the shaft.

'7. A Winder shaft comprising a through axle having solid end portionsand a hollow central portion, said hollow central portion having reduceddiameter areas near the ends thereof delining opposed shoulders, rubberrings disposed around said reduced diameter portions and abutted by saidshoulders. a metal shell surrounding the hollow portion of the shaft andsnugly engaging said rubber rings, and retainer rings in said shellabutting the innermost rubber rings, whereby said shell is supported onresiliently deformable rubber rings inwardly from the ends of the shellto accommodate relative deflection of the shell and shaft.

8. An anti-deflection Winder shaft for under drum paper winders and thelike which coniprises a metal shell, a fixed collar on one end of theshell, an internally threaded collar on the other end of the shell, anexternally threaded collar threaded into said internally threaded collarslidable on said other end of the shell, said other end of the shellhaving a peripheral groove therearound, a split collar anchored in saidgroove and defining an abutment shoulder for the externally threadedcollar, a pair of spacer sleeves bottomed on the opposed collars on theends of the shell adapted to receive a winder tube therebetween, athrough axle in said shell, rotatable bearings on the ends of the axlebeyond the shell, and rubber mounting means supporting the shell inlspaced concentric relation from the axle at two localized points eachinwardly from the ends of the shell and outwardly from the centralportion of the axle.

9. A paper winder comprising a pair of under winding drums defining awinding nip therebetween, vertically guided bearing supports at the endsof the wnder drums aligned with the nip, a Winder shaft carried by saidbearing supports extending through the nip, said winder shaft havingrotatable bearings on the ends thereof seated in said bearing supports,a cylindrical shell on the winder shaft between the bearing supports andextending along the length of the nip, rubber rings supporting the shellin spaced concentric relation from the shaft at two localized areasinwardly from the ends of the shell and outwardly from the longitudinalcenter of the shell, said shell having a peripheral groove around oneend portion thereof, said shell hav- 10 ing a l'lxed abutment shoulderaround the other end portion thereof, a removable retainer in saidgroove forming a second abutment shoulder, nested collars in threadedengagement bottomed on said second shoulder, spaced sleeves on theopposite ends of the shell respectively bottomed on the rst shoulder andon the collar, said sleeves adapted to clamp a paper winding tube on theshell therebetween, and means for raising the bearing caps to lift theshaft for transferring part of the weight of the roll being wound off ofthe Winder drums.

LLOYD HORNBOSTEL.

References Cited in the le of this patent UNITED STATES PATENTS NumberName Date 163,2'17 Lawson May 11, 1875 847,418 Lichtenstadt Mar. 19,1907 1,001,056 Lounsberry Aug. 22, 1911 1,487,279 Silvis Mar. 18, 19241,869,545 Crafts Aug. 2, 1932 2,141,629 Warner et al. Dec. 27, 19382,194,078 Simonds Mar. 19, 1940 2,196,000 Richardson Apr. 2, 1940

